PDR1271W
Section, Line number, Column number: Variable varname is used but not set.
What happened: You used a variable as a basis for comparison that was not set by a field variable, in the rule file, or in a variable file. The varname of the unset variable is given. Enrichment sets the variable to a blank value.
What to do: If you do not want the indicated variable to have a blank value, set it by defining a field variable with that name, defining the variable in the rule file, or defining the variable in a variable file.